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7.
Basis of CRuby and YARV
“ Throughout most of this book we’ll learn about the original,
standard implementation of Ruby, known as Matz’s Ruby Interpreter
(MRI) after Yukihiro Matsumoto, who invented Ruby in 1993.”
Ruby Under a Microscope, p.4
“ With Ruby 1.9, Koichi Sasada and the Ruby core team introduced
Yet Another Ruby Virtual Machine (YARV), which actually executes
your Ruby code.”
Ruby Under a Microscope, p.33
Ruby 1.8
Ruby 1.9 or later

13.
*.ruby-lang.org
www.ruby-lang.org
Official Website of Ruby language.
We welcomed to translate contribution. (Polish is also welcome!)
see http://github.com/ruby/www.ruby-lang.org
svn.ruby-lang.org
Main repository of Ruby source. (Not git !!!)
bugs.ruby-lang.org
Official issue tracker build by redmine.

14.
*.ruby-lang.org
ftp.ruby-lang.org
Site of distribute official package
docs.ruby-lang.org
Hosted document generated from RDoc on Ruby source code and
rubima project. Rubima project is a Japanese Documentation about
ruby languages.

20.
Redmine vs GitHub
https://github.com/ruby/ruby is acceptable space for ruby core
team.
[CAUTION] If you hope to ask new feature to Matz, You need to
submit bugs.ruby-lang.org . Matz is only available on redmine.
Why Ruby does not use GitHub?
• GitHub is proprietary service
• ruby committers do not have problem with redmine and svn

23.
Monthly Developer Meeting
We hope to increase to transparency for Ruby development process.
One of our challenges is “Developer Meeting”. It’s open discussion
time for feature and issue of Ruby every months.
[ruby-core:69550]: https://bugs.ruby-lang.org/projects/ruby/wiki/
DevelopersMeeting20170417Japan

30.
make test-all
test-all invokes test files under the `test` directory. test-all has some
options for testing:
• make test-all TESTS=“logger”
• test only files under `test/logger`
• make test-all TESTS=“-j4”
• it make parallel execution with 4 processes.

35.
ruby/spec
Q. What’s ruby/spec?
A. ruby/spec is an spec style test suites for the Ruby programming
language.
“ruby/spec” is not a “specification”. It’s actually a set of “test”.
The Ruby specification is only inside of Matz :)

38.
ruby/spec and mspec
We approved new or updated examples at https://github.com/ruby/
spec .
@headius wrote: “So nice to see RubySpec getting a steady stream
of Ruby 2.3 specs.”
https://twitter.com/headius/status/667793518098673664
A lot of contributors submitted new specs for Ruby 2.3 and 2.4
features.

41.
Release management
We will release new version of Ruby at “Release Day” by @narse
There is no exception to this rule.
• If we have incompletion issue or feature, we will revert it.
• If we don’t have enough discussion for some issue, we don’t
merge or implement it into new version of ruby.
• If we found some regression, we need to fix it or revert to related
code or issue.

45.
Security release
We have “security@ruby-lang.org” for security report. We received
buffer overflow, memory leak, escape string etc etc…
We hard to fix and release these security issue. so all of release
maintainer are volunteer work.
Our release delayed by preparing new releases of stable and old
stable version.

46.
HackerOne
We’ve been use
https://hackerone.com/ruby
It has bounty program
provided by IBB.
We accepts to security report
via hackerone too.

55.
Gemiﬁcation for stdlib
• We extract old or un-maintain status stdlibs like net-telnet, xmlrpc,
tk to bundled gems.
• These are extracted under the https://github.com/ruby/ . And
shipped on rubygems.org
• Other gems are also extracted at the future.

62.
ﬁddle
fiddle is standard library for wrapper of libffi. But fiddle was already
reserved another implementation rubygems.org
https://github.com/bsm/fiddle
I did coordinate to transfer above namespace and override CRuby
implementation now.
https://github.com/ruby/fiddle

63.
What we will do?
I must offer to transfer ownership of these gems to rubygems.org.
But some of gems are masked status. As first, I need to un-mask it.
My plan for reserved gems:
・Transfer request to owners of reserved gems.
・Removed gemification gems from blacklist on rubygems.
・Override reserved gems by standard libraries.

65.
Concerns of bundled gems(2)
We need test suite for bundled gem with ruby trunk.
PoC of unak: https://gist.github.com/unak/a80b03d9a33de59bedb52e2711410e0d
No one guarantee work bundled gems and develop version of ruby.